46. ESD potential decreases with the use of:

A. De-ionizing fans
B. A wrist strap
C. Rubber gloves with matching cap
D. A static meter
E. None of the above

47. With a dot matrix printer, light then dark print is most commonly caused by:

A. Erratic paper advancement
B. Erratic ribbon advancement
C. Misalligned print head
D. Overheating print head
E. None of the above

48. How many DMA channels are there in an AT class PC?

A. 3
B. 4
C. 7
D. 8
E. None of the above

49. A wrist grounding strap contains which of the following:

A. Surge protector
B. Capacitor
C. Voltmeter
D. Resistor
E. None of the above

50. Every video card must have?

A. CMOS
B. RAM
C. CPU
D. All of the above
E. None of the above